349005490 has 32 divisors (see below), whose sum is σ = 668736000. Its totient is φ = 130762368.

The previous prime is 349005421. The next prime is 349005491. The reversal of 349005490 is 94500943.

It is not an unprimeable number, because it can be changed into a prime (349005491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6591 + ... + 27229.

It is an arithmetic number, because the mean of its divisors is an integer number (20898000).

Almost surely, 2^349005490 is an apocalyptic number.

349005490 is a deficient number, since it is larger than the sum of its proper divisors (319730510).

349005490 is a wasteful number, since it uses less digits than its factorization.

349005490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20754.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 349005490 is about 18681.6886281728. The cubic root of 349005490 is about 704.0617534178.

The spelling of 349005490 in words is "three hundred forty-nine million, five thousand, four hundred ninety".